操作范围直径约2 to 800 m (When using LS-80X) Accuracy ±10” Self-leveling range: ±5° Manual slope settable range ±5° (When the instrument is installed on the 0° surface) Laser source: Laser diode (Visible, 635 nm) CDRH (FDA) Class IIIa, IEC Class 3R Rotational speeds 600 r.p.m Status alerts HI and low battery Dust and防水IP66(IEC60529:2001)工作温度-20至50°C(-4至122°F)尺寸104(w)x 127(d)x 37(h)mm